I am getting this error and it is frustrating me. I need to access this book for my class and still have not gotten it. I have paid money for it and would like to use it sometime....

I installed this program on my friends computer and accessed the book. At the time, that was the only place I could download the book and read it. Now I would like to switch it to my computer so that I can do my homework and assignments at my place. I have looked and tried and everything you can ever imagine to fix it, but I still get the same error.

I did try the exact steps you outlined. reinstalled, reactivated, and still unable to download my books from local library. I have been downloading books for over a year and never had this issue before upgrading my ADE. I have struck out with Adobe support too.

My computer with ADE died. I have a new computer, new install of ADE and could not authorized. I de-authorized and reauthorized. When I attempt to get my book from the library I get the dreaded E_LIC_ALEADY_FULLED_BY_ANOTHER_USER.

All that is not acceptable: first, I've paid with "good" money; second, I often need to change my computer...what should I do? Reset all the licences of my ebooks? Install/unistall, registry keys edit...this is a bad approach. If this is the drm solution to garantee sellers (and not buyers!), I'll be back to paper, or - better - I'll borrow the book from a library.

I contacted the bookseller (kobo) and they said it is nothing to do with them it is an issue with Adobe.

I replied back with the information I have found on these forums because I have re-downloaded old books with no issue and also bought a new one from waterstones to double check and they all worked fine. I have also told kobo this and am awaiting their result. I told them to sort it or give a full refund.....now wait and see

I believe this issue is actually an Adobe issue. I just gave a week of my life to attempting to download public library books to my Kobo. I, too, thought about returning my Kobo. However, it came from Japan via ebay...and would have cost as much as I spent to return it to Japanese seller! Anyway, I've found that the Kobo help people have superior IQs to those at Adobe.

Can't tell you how many Adobe chats I've attempted. After I carefully describe my situation, I'll get something like, "May I know if you are having trouble signing in to Adobe?" Arggh! Can't tell you how many times I've been told to reset my password!

Anyway, this Error message about another user is definitely tied into the option that ADE gives you to sign in w/o authorizing your computer. Then when you try to sync with your eReader, you can not. I've been successful with what was described above, namely, uninstalling Adobe completely and signing into a new download with a totally different ID and password. It's all extremely frustrating and part of living in this crazy world.

Quote: "The problem E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER is a result of:

- Downloading and associating book downloads with DigitalEdition and not having an AdobeID. (It get associated with an anonymous account)

- After creating a AdobeID the book can not be read with this new ID (It is already fulfilled with another anonumous user!)

+ So best thing to do is to remove the book, and ask the book seller a new download opportunity and associate the book with this new AdobeID.

So there is perfect logic to have this error. Adobe wil not solve this problem for you. Please contact the bookstore/bookseller!"

There's just one problem. What if the ebook provider is your library and they have no clue how to fix this issue?

Any suggestions to fix this issue when you've got a faceless., non-techy library workers who know nothing about how this system works to help you "redownload the ACSM fi;e" but the system is done automatically through their library portal?

I am also having this same issue. I've tried the uninstall and clean up registry and re-install twice (the second time I rebooted before doing the reinstall). I've deactivated and reactivated my computer. I chatted with customer support and they were no help at all, sent me to this forum. They claim the "experts" here on this forum will help me. So what do I do now. So now what?

I had downloaded an ePub book from a library. Nothing worked - authorised and deauthorised my computer. It is now set with ADE unauthorised. But, I belong to a different library also and downloaded two other books from there, both ePub. ADE had no problem with these, and I used ultimate to covert them to mobi for my kindle No problem. I remember reading somewhere that the "in use by another user" was a problem from the vendor end, in my case it would seem to be the first library. I have not made contact, yet As I have spent enough time on it already. But others may also find it is worth considering that the problem may not be with ones own computer at all So I thought I would post this.

STUPID ADOBE. Stop interfering in people's lives. If I OWN a real book, I can lend it to anyone in the world I want over and over and over again and you or NO ONE can do anything about it. Stop being a da*m Book Gestapo Nazi. We PAID for our books - make it EASY for us to use them to our pleasure, on whatever device we decide to use on any given day!!!

OR =- SOMEONE PLEASE CREATE A NEW PROGRAM THAT IS BETTER THAN THIS JUNK.

Kobo could have a different solution that Adobe Digital Editions to use. I would dump this crud off my computer in a hot second if I had an alternative. JUST WANT TO READ MY DAMN BOOKS I PAID FOR ON MY SONY DAILY EDITIONS EREADER.

It's too difficult and too time consuming. Thank you for killing reading, Adobe, Kobo, Google and all the rest. You allow spammers and thieves and every other huckster to use your servers but we can't get our epubs on our epub readers. Really great job, I will continue to try and find ways around you.

I had to call Kobo and THEY had to try and remove the DRM so my books could be downloaded and put on my ereader. I literally spent a total of at least 5-6 hours on this the last week for 13 books purchased and we still couldn't get all of them, they had to put me in for a refund of my money. What the hell is wrong with this picture??

Best I can tell - if you buy a book by Kobo or Google or whatever - and you use Adobe Digital Editions - you have to use ONE computer to access your ADE program and download books from. Heaven forbid we should trade ebooks (even though people have shared their hard copy books for hundreds of years without the book police coming in and shutting them down...) -- but yeah, they don't want you to be able to do that. So be really sure you are using one computer log in for Kobo or whatever , then Adobe or whatever, and ADE -- its a damn police state when it comes to reading material now. LOL

This is happening to me, too, but I've never used ADE on any other computer. I have downloaded the file multiple times on this computer, but the only reason I did that is because I couldn't get it to work. Is there anything I can do about this?

For me, it was because I had already downloaded the book on a different PC. (Well, macbook.). When I downloaded it on my iMac that was fine, but when I tried to open it, I got the error message.

Basically, it doesn't matter about authorisation, or using an ID, it will only let it be opened on the one it was first downloaded on.

The way round I found was to delete the book from the ADE libraries on both macs and then download it to the one you want to open it on.

I wasted a whole weekend on this because the uni library staff didn't know what the problem was, and kept trying to tell me it must be that specific book, even though I'd tested it on quite a few.

I explained that I'd been googling it and reading these forums and loads of people had this problem, but they wouldn't believe me. So I spent an entire weekend trying things out and reading until I found that worked. Nuking ADE didn't work because, I now see, I didn't nuke the activation file Adobe hide in the HDD somewhere.

That meant that when I nuked and reinstalled ADE, it knew my library.

I then spent more time with their IT guy who was being deliberately obstructive when all I wanted to do was to make sure the staff knew my solution if another student has this problem. It took me two hours to talk him into noting down my solution.

Anyway, hope this solves it for at least a few people and hope the rest of you find what's causing the error in your case. Keep us updated with your progress.